Dear Wisdom.
Your minig calculator is not updated, still counting 25BTC block reward.
PLS update it ASAP.
Looks like he has updated. I thought OP does not maintain the site anymore and it is on autopilot. But, it seems, he does...
The LTC mining calculator doesn't account for halving which happened over a year ago.
The amounts calculated are doubles of the actual numbers.
Dear Bitcoinwisdom, be "Litecoinwisdom" too and correct the LTC calc as well.